Main Ref. | Johnson, J.H. and D.S. Dropkin, 1995 | ||
Fish stage | juv./adults | Mean length | 11.10 TL |
Sample size | 15 | Percent empty | 13 |
Country | USA | Locality | Juniata River, Pennsylvania, 1990 |
Period |
|
Diet percent | Food I | Food II | Food III | Prey stage | Item Name | Comments |
---|---|---|---|---|---|---|
1.10 % | zoobenthos | insects | insects | nymphs | Hydropsychidae | Hydropsychidae |
3.90 % | zoobenthos | insects | insects | nymphs | insects | misc. terrestrial insects |
8.10 % | zoobenthos | insects | insects | nymphs | Baetidae | Baetidae |
9.40 % | zoobenthos | insects | insects | nymphs | Chironomidae | Chironomidae |
10.00 % | zoobenthos | insects | insects | nymphs | Ephemerellidae | Ephemerellidae |
12.50 % | zoobenthos | insects | insects | nymphs | Heptageniidae | Heptageniidae |
12.80 % | zoobenthos | insects | insects | nymphs | insects | |
13.30 % | zoobenthos | insects | insects | nymphs | Ephemeroptera | misc. Ephemeroptera |
13.30 % | zoobenthos | insects | insects | nymphs | Trichoptera | misc. Trichoptera |
15.60 % | zoobenthos | insects | insects | nymphs | Ephemeridae | Ephemeridae |